22 Jul
1998
22 Jul
'98
6:05 a.m.
Hans Franke wrote:
b) I had, until I switched to ISDN, still a 1927
Telephone
in every day use. Worked fine, even with the latest (analogue)
exchange :) - Noy I connect it via an a/b adaptor.
Well done. But, pardon my ignorance, what is an a/b adaptor?
I've often wondered about adding a BCD-DTMF chip and a pulse counter to
make dial phones do tones for all the robots you ring up and have to
type numbers to communicate with. But where do I put # and *?
Suggestions?
Philip.